| Primary address | 18 Prospect Street, Mendham |
| Zip code | 07945 |
| County | Morris |
| Municipality | Mendham Borough |
| Block | 1901 |
| Lot | 20 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 12/28/2000 |
| Sale price | $1,150,000 |
| Arm's length | Register |
| Property tax | $21,537 |
| Building sqft | 5,285 |
| Building class | Residential (2) |
| Acreage | 1.599 |
| Year built | 1894 |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
18 Prospect Street, Mendham, NJ 07945 was built in 1894 and has a total of 5,285 square feet.
What is the assessed value of 18 Prospect Street, Mendham, NJ 07945 and the property tax paid?Assessed at $1,171,100, the tax amount paid for 18 Prospect Street, Mendham, NJ 07945 is $21,536.
When was 18 Prospect Street, Mendham, NJ 07945 last sold and what was the last sale price?18 Prospect Street, Mendham, NJ 07945 was last sold in 12/28/2000 for $1,150,000.
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Create a free account to view the complete sales history for 18 Prospect Street, Mendham, including title documents, transfer conditions, mortgages and liens.
*Here are the three most recent sales for this property.
To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.
R: Recorded date
D: Document date
Access detailed property tax data for 18 Prospect Street, Mendham, NJ 07945. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025 |
| Property tax | $21,537 |
| Market value | $1,171,100 |
Here's the assessment & property tax history for 18 Prospect Street, Mendham, including the evolution of the total tax rate and corresponding property tax.
| Year | Market value | Assessment value | Total tax rate | Property tax | Year over year change |
|---|---|---|---|---|---|
| 2025 | $1,171,100 | $1,171,100 | 1.839 | $21,537 | -25.24% |
| 2024 | $1,171,100 | $1,171,100 | 2.46 | $28,809 | +0.24% |
| 2023 | $1,171,100 | $1,171,100 | 2.454 | $28,739 | +2.94% |
| 2022 | $1,171,100 | $1,171,100 | 2.384 | $27,919 | +1.79% |
| 2021 | $1,171,100 | $1,171,100 | 2.342 | $27,427 | +1.78% |
Create a free account to unlock extended information for 18 Prospect Street, Mendham, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).
| Fire hazard zone | See more on map |
| Geohazard zones map | Register |
Access the detailed traffic volume map for 18 Prospect Street, Mendham to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.
| View daily traffic map |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Westmont Montessori School | NR | Private | PK-K | 100 | 0.03 |
| Westmont Montessori School | NR | Private | PK-K | 100 | 0.03 |
| St Joseph Elementary School | NR | Private | K-8 | 146 | 0.21 |
| Hilltop School | 4 | Public | PK, K-4 | 262 | 0.31 |
| Hilltop School | 4 | Public | PK, K-4 | 262 | 0.31 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| St Joseph Elementary School | NR | Private | K-8 | 146 | 0.21 |
| Mountain View Middle School | 10 | Public | 5-8 | 229 | 0.59 |
| Daytop Preparatory School | NR | Private | 8-12 | 62 | 0.61 |
| Bernardsville Middle School | 7 | Public | 5-8 | 458 | 3.26 |
| Mendham Twp Middle School | 10 | Public | 5-8 | 301 | 3.41 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Daytop Preparatory School | NR | Private | 8-12 | 62 | 0.61 |
| West Morris Mendham High School | 8 | Public | 9-12 | 1,077 | 0.78 |
| Delbarton School | NR | Private | 7-12 | 609 | 4.05 |
| Bernards High School | 6 | Public | 9-12 | 812 | 4.06 |
| Matheny School | NR | Private | PK-12 | 38 | 4.85 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 18 Prospect Street, Mendham.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 8 Whispering Ivy Path, Mendham | 5,043 | 06/14/2017 | $1,190,000 |
| 33 Hilltop Rd, Mendham | 3,927 | 05/31/2000 | $629,000 |
| 14 Prospect St, Mendham | 4,719 | 07/01/2002 | |
| 9 Whispering Ivy Path, Mendham | 5,492 | 05/20/2021 | $1,347,500 |
| 10 Whispering Ivy Path, Mendham | 5,278 | 05/02/2015 | $1,110,000 |
| 4 Muirfield Ln, Mendham | 2,888 | 09/22/1995 | $410,000 |
| 16 A Prospect St, Mendham | 2,536 | 07/18/1994 | $350,000 |
| 5 Muirfield Ln, Mendham | 3,954 | 06/19/2023 | $1,215,000 |
| 1 Muirfield Ln, Mendham | 3,280 | 11/14/2018 | $770,000 |
| 20 Prospect St, Mendham | 5,960 | ||
| 9 Heather Hill Way, Mendham | 3,042 | 12/05/1995 | $414,000 |
| 12 Prospect St, Mendham | 1,936 | 03/05/1985 | $60,000 |
| 7 Whispering Ivy Path, Mendham | 5,480 | 09/26/2019 | $1,103,000 |
| 4 Townsend Rd, Mendham | 2,629 | 11/26/2018 | $652,000 |
| 2 Muirfield Ln, Mendham | 2,954 | 03/30/1997 | $1 |
| 2 Townsend Rd, Mendham | 4,013 | ||
| 16 Prospect St, Mendham | 7,352 | 04/03/2021 | $1,950,000 |
| 3 Muirfield Ln, Mendham | 3,284 | 01/30/1998 | $455,000 |
| 31 Hilltop Rd, Mendham | 3,600 | 02/08/2022 | $1 |
| 6 Muirfield Ln, Mendham | 3,868 | 09/28/1999 | $99 |